<?php

namespace App\Utils;

/**
 * 杂项工具方法
 * Class Common
 * @package App\Utils
 */
class LedUtil
{
    /**
     * 一行字幕显示
     * @param $msg
     * @return string
     */
    public static function oneLineLed($msg)
    {
        $msg  = iconv("UTF-8", "gb2312//IGNORE", $msg);
        $data = [0x00, 0x64, 0xFF, 0xFF, 0x6E];
//        $data = [0x00, 0x64, 0xFF, 0xFF, 0x67];
        //第一行车牌 转哈希数组
        $text = self::String2AsciiArray($msg);
        foreach ($text as &$t1) {
            $t1 = dechex($t1 . '');// 转16进制
        }
        $txt   = [0x00, 0x01, 0x00, 0x15, 0x00, 0x05, 0x05, 0xFF, 0x00, 0x00, 0x00];
        $txt[] = dechex(count($text) . '');// 转16进制
        $txt   = array_merge($txt, $text);
        $txt[]  = 0x00;
        $data[] = dechex(count($txt) . '');
        $data   = array_merge($data, $txt);

        $str = '';
        foreach ($data as $d) {
            $str .= chr(is_string($d) ? hexdec($d) : $d);
        }

        $t   = self::crc($str);
        $str .= $t;
        return $str;
    }

    /**
     * 两行显示
     * @param $msg1
     * @param $msg2
     * @param $audio_text
     * @return string
     */
    public static function led_and_video($msg1, $msg2, $audio_text): string
    {

        $msg1       = iconv("UTF-8", "gb2312//IGNORE", $msg1);
        $msg2       = iconv("UTF-8", "gb2312//IGNORE", $msg2);
        $audio_text = iconv("UTF-8", "gb2312//IGNORE", $audio_text);
        $data       = [0x00, 0x64, 0xFF, 0xFF, 0x6E];
        //第一行车牌
        $text1 = self::String2AsciiArray($msg1);
        foreach ($text1 as &$t1) {
            $t1 = dechex($t1 . '');
        }
        $txt1 = [0x00, 0x02, 0x00, 0x15, 0x00, 0x05, 0x05, 0xFF, 0x00, 0x00, 0x00];
//        $txt1 = [0x00,0x02,0x00,0x00,0x00,0x05,0x00,0xFF,0x00,0x00,0x00];
        $txt1[] = dechex(count($text1) . '');
        $txt1   = array_merge($txt1, $text1);
        $txt1[] = 0x0d;
        if ($msg2 != '') {
            //第二行消息
            $text2 = self::String2AsciiArray($msg2);
            foreach ($text2 as &$t2) {
                $t2 = dechex($t2 . '');
            }
            $txt2   = [0x01, 0x0E, 0x00, 0x05, 0x05, 0xFF, 0x00, 0x00, 0x00];
            $txt2[] = dechex(count($text2) . '');
            $txt2   = array_merge($txt2, $text2);
            $txt    = array_merge($txt1, $txt2);
        }

        $txt[] = 0x00;
        if ($audio_text != '') {
            //语音
            $audio      = [0x0A];
            $audio_text = self::String2AsciiArray($audio_text);
            $audio[]    = dechex(count($audio_text) . '');
            $audio      = array_merge($audio, $audio_text);
            $audio[]    = 0x00;
            $txt        = array_merge($txt, $audio);
        }

        $data[] = dechex(count($txt) . '');
        $data   = array_merge($data, $txt);

        $str = '';
        foreach ($data as $d) {
            $str .= chr(is_string($d) ? hexdec($d) : $d);
        }
        $t   = self::crc($str);
        $str .= $t;
        return $str;
    }

    /**
     * CRC16验证
     * @param $string
     * @param $length
     * @return string
     */
    protected static function crc($string, $length = 0)
    {

        $auchCRCHi = [0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81,
            0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
            0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01,
            0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
            0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81,
            0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
            0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01,
            0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
            0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81,
            0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
            0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01,
            0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
            0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81,
            0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
            0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01,
            0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
            0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81,
            0x40];
        $auchCRCLo = [0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06, 0x07, 0xC7, 0x05, 0xC5, 0xC4,
            0x04, 0xCC, 0x0C, 0x0D, 0xCD, 0x0F, 0xCF, 0xCE, 0x0E, 0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09,
            0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A, 0x1E, 0xDE, 0xDF, 0x1F, 0xDD,
            0x1D, 0x1C, 0xDC, 0x14, 0xD4, 0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3,
            0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3, 0xF2, 0x32, 0x36, 0xF6, 0xF7,
            0x37, 0xF5, 0x35, 0x34, 0xF4, 0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A,
            0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38, 0x28, 0xE8, 0xE9, 0x29, 0xEB, 0x2B, 0x2A, 0xEA, 0xEE,
            0x2E, 0x2F, 0xEF, 0x2D, 0xED, 0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26,
            0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60, 0x61, 0xA1, 0x63, 0xA3, 0xA2,
            0x62, 0x66, 0xA6, 0xA7, 0x67, 0xA5, 0x65, 0x64, 0xA4, 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F,
            0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68, 0x78, 0xB8, 0xB9, 0x79, 0xBB,
            0x7B, 0x7A, 0xBA, 0xBE, 0x7E, 0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5,
            0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71, 0x70, 0xB0, 0x50, 0x90, 0x91,
            0x51, 0x93, 0x53, 0x52, 0x92, 0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C,
            0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E, 0x5A, 0x9A, 0x9B, 0x5B, 0x99, 0x59, 0x58, 0x98, 0x88,
            0x48, 0x49, 0x89, 0x4B, 0x8B, 0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C,
            0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42, 0x43, 0x83, 0x41, 0x81, 0x80,
            0x40];
        $length    = ($length <= 0 ? strlen($string) : $length);
        $uchCRCHi  = 0xFF;
        $uchCRCLo  = 0xFF;
        $uIndex    = 0;
        for ($i = 0; $i < $length; $i++) {
            $uIndex   = $uchCRCLo ^ ord(substr($string, $i, 1));
            $uchCRCLo = $uchCRCHi ^ $auchCRCHi[$uIndex];
            $uchCRCHi = $auchCRCLo[$uIndex];
        }
        return chr($uchCRCLo) . chr($uchCRCHi);
    }

    /**
     * 字符串转ASCII数组
     * @param $str
     * @return array
     */
    protected static function String2AsciiArray($str)
    {
        $str       = (string)$str;
        $strLength = strlen($str);
        $rtn       = array();
        for ($i = 0; $i < $strLength; $i++) {
            $rtn[] = ord($str[$i]);
        }
        return $rtn;
    }
}